20797876225

素因数分解:

$5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1\times {\mathrm{4129}}^1$

素因数の和:4522

約数の個数: 48

約数和(自身を含む): 29866838400

約数和(自身を除く): 9068962175

約数列:

[1, 5, 7, 25, 35, 107, 175, 269, 535, 749, 1345, 1883, 2675, 3745, 4129, 6725, 9415, 18725, 20645, 28783, 28903, 47075, 103225, 143915, 144515, 201481, 441803, 719575, 722575, 1007405, 1110701, 2209015, 3092621, 5037025, 5553505, 7774907, 11045075, 15463105, 27767525, 38874535, 77315525, 118845007, 194372675, 594225035, 831915049, 2971125175, 4159575245, 20797876225]

約数ペア:

[(1, 20797876225), (5, 4159575245), (7, 2971125175), (25, 831915049), (35, 594225035), (107, 194372675), (175, 118845007), (269, 77315525), (535, 38874535), (749, 27767525), (1345, 15463105), (1883, 11045075), (2675, 7774907), (3745, 5553505), (4129, 5037025), (6725, 3092621), (9415, 2209015), (18725, 1110701), (20645, 1007405), (28783, 722575), (28903, 719575), (47075, 441803), (103225, 201481), (143915, 144515)]